20162090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5003}}^1$

素因数の和:5054

約数の個数: 32

約数和(自身を含む): 40352256

約数和(自身を除く): 20190166

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 5003, 10006, 25015, 50030, 65039, 130078, 155093, 310186, 325195, 650390, 775465, 1550930, 2016209, 4032418, 10081045, 20162090]

約数ペア:

[(1, 20162090), (2, 10081045), (5, 4032418), (10, 2016209), (13, 1550930), (26, 775465), (31, 650390), (62, 325195), (65, 310186), (130, 155093), (155, 130078), (310, 65039), (403, 50030), (806, 25015), (2015, 10006), (4030, 5003)]